[Bug 106297] gnome-shell hangs hellishly because DRM_IOCTL_AMDGPU_GEM_CREATE or DRM_IOCTL_VIA_ALLOCMEM executing more than 11 seconds

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106297

--- Comment #7 from mikhail.v.gavrilov at gmail.com ---

some more snip with large time executing time:

writev(44,
[{iov_base="\24\0\6\0\4\0@\3\6\1\0\0\6\0\0\0\0\0\0\0\377\377\377\377",
iov_len=24}, {iov_base=NULL, iov_len=0}, {iov_base="", iov_len=0}], 3) = 24
<0.000027>
poll([{fd=44, events=POLLIN}], 1, -1)   = 1 ([{fd=44, revents=POLLIN}])
<50.420278>
recvmsg(44, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="A\0\361\220*>
\0\3\0\202\0\35\1 \0\0\20\6\0\0\0\0\0\0\0\0\0\0\0\0\0"..., iov_len=4096}],
msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 4096 <0.000040>


writev(44,
[{iov_base="\24\0\6\0\4\0@\3\6\1\0\0\6\0\0\0\0\0\0\0\377\377\377\377",
iov_len=24}, {iov_base=NULL, iov_len=0}, {iov_base="", iov_len=0}], 3) = 24
<0.000027>
poll([{fd=44, events=POLLIN}], 1, -1)   = 1 ([{fd=44, revents=POLLIN}])
<20.660729>
recvmsg(44, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="A\0\302\220\">
\0\3\0\202\0\35\1 \0\0\20\6\0\0\0\0\0\0\0\0\0\0\0\0\0", iov_len=4096}],
msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 32 <0.000037>


mmap(NULL, 2510848, PROT_READ|PROT_WRITE, MAP_SHARED, 13, 0x18e396000) =
0x7fc9fc09a000 <0.000042>
write(4, "\1\0\0\0\0\0\0\0", 8)         = 8 <0.000019>
ioctl(13, DRM_IOCTL_AMDGPU_GEM_CREATE or DRM_IOCTL_VIA_ALLOCMEM,
0x7ffcd4c04150) = 0 <13.330551>
ioctl(13, _IOC(_IOC_READ|_IOC_WRITE, 0x64, 0x48, 0x28), 0x7ffcd4c04160) = 0
<0.000062>
ioctl(13, DRM_IOCTL_AMDGPU_GEM_MMAP, 0x7ffcd4c04610) = 0 <0.000021>
mmap(NULL, 4435968, PROT_READ|PROT_WRITE, MAP_SHARED, 13, 0x366ad5000) =
0x7fc9f63c2000 <0.000031>

epoll_wait(5, [{EPOLLIN, {u32=3087109920, u64=140508647231264}}], 32, 0) = 1
<0.000020>
recvmsg(18, {msg_name=NULL, msg_namelen=0,
msg_iov=[{iov_base="%\0\0\0\1\0\24\0.\0\0\0\0\0\0\0\0\0\0\0%\0\0\0\10\0\f\0\2\0\0\0"...,
iov_len=1600}, {iov_base="", iov_len=2496}], msg_iovlen=2, msg_controllen=0,
msg_flags=MSG_CMSG_CLOEXEC}, MSG_DONTWAIT|MSG_CMSG_CLOEXEC) = 132 <0.000025>
ioctl(13, DRM_IOCTL_AMDGPU_GEM_CREATE or DRM_IOCTL_VIA_ALLOCMEM,
0x7ffcd4c04150) = 0 <12.791998>
ioctl(13, _IOC(_IOC_READ|_IOC_WRITE, 0x64, 0x48, 0x28), 0x7ffcd4c04160) = 0
<0.000072>
ioctl(13, DRM_IOCTL_AMDGPU_GEM_MMAP, 0x7ffcd4c04610) = 0 <0.000078>
mmap(NULL, 10604544, PROT_READ|PROT_WRITE, MAP_SHARED, 13, 0x167281000) =
0x7fc9ed0e9000 <0.000032>

mmap(NULL, 5177344, PROT_READ|PROT_WRITE, MAP_SHARED, 13, 0x22aa35000) =
0x7fc9f1bf0000 <0.000031>
ioctl(13, DRM_IOCTL_AMDGPU_GEM_CREATE or DRM_IOCTL_VIA_ALLOCMEM,
0x7ffcd4c04150) = 0 <10.536264>
ioctl(13, _IOC(_IOC_READ|_IOC_WRITE, 0x64, 0x48, 0x28), 0x7ffcd4c04160) = 0
<0.000175>
ioctl(13, DRM_IOCTL_AMDGPU_GEM_MMAP, 0x7ffcd4c04610) = 0 <0.000203>
mmap(NULL, 2318336, PROT_READ|PROT_WRITE, MAP_SHARED, 13, 0x1609ec000) =
0x7fc9fcbc9000 <0.000041>

epoll_wait(5, [{EPOLLIN, {u32=3087109920, u64=140508647231264}}], 32, 0) = 1
<0.000016>
recvmsg(18, {msg_name=NULL, msg_namelen=0,
msg_iov=[{iov_base="\33\0\0\0\1\0\24\0
\0\0\0\0\0\0\0\0\0\0\0\33\0\0\0\10\0\f\0\2\0\0\0"..., iov_len=3376},
{iov_base="", iov_len=720}], msg_iovlen=2, msg_controllen=0,
msg_flags=MSG_CMSG_CLOEXEC}, MSG_DONTWAIT|MSG_CMSG_CLOEXEC) = 188 <0.000021>
ioctl(13, DRM_IOCTL_AMDGPU_GEM_CREATE or DRM_IOCTL_VIA_ALLOCMEM,
0x7ffcd4c04150) = 0 <25.560096>
ioctl(13, _IOC(_IOC_READ|_IOC_WRITE, 0x64, 0x48, 0x28), 0x7ffcd4c04160) = 0
<0.000098>
ioctl(13, DRM_IOCTL_AMDGPU_GEM_MMAP, 0x7ffcd4c04610) = 0 <0.000034>
mmap(NULL, 4435968, PROT_READ|PROT_WRITE, MAP_SHARED, 13, 0x38ca63000) =
0x7fc9f186a000 <0.000036>

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